The morning was warm, damp and foggy, perfect for a walk on the beach. When I got to the beach, I could only see sand and sky. The sea and sky were the same color until I walked up to the water’s edge. Then, the water was so still and quiet I could see right through it to the sand. It was beautiful and calming.

I looked out over the water, trying to determine where the sea ended and the sky began, but it was all blurred by the droplets of moisture we call fog.

We refer to blurry, unclear things as “foggy.” They are unclear, wavering a bit between reality and something else, something we can’t quite put our fingers on. It’s sort of like the scrim they use in theater sets, a thin veil that separates what’s happening on stage from the imaginary world behind them.

At my age, I find myself m

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